Cat flap



FIG. 1 is a front view of the cat flap according to the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a front perspective view of the present invention;

FIG. 4 is a rear perspective view of the present invention;

FIG. 5 is an end view of the present invention; and,

FIG. 6 is a top plan view of the present invention. 

The ornamental design for a cat flap, as shown and described. 